• LSF0204: Schematic review and relevant question

    Part Number: LSF0204
    Other Parts Discussed in Thread: TXU0304

    Tool/software:

    Hi Team,

    Could you please review customer's schematic and check below question about their usage?

    Usage:

    They use two power source to power Vref_A(1.8V DSP), EN and Vref_B…

  • LSF0204: Push pull operation GPIO UART, are output resistors neccesary?

    Part Number: LSF0204

    Tool/software:

    Hello,

    I am looking at a design using the LSF0204 for the following purpose:

    Translate 2 GPIO unidirectional and UART Rx and Tx unidirectional (4 channels total).

    The A port is at 3.3V, and the B port at 1.8V

    1 GPIO…

  • LSF0204: LSF0204 related issues

    Part Number: LSF0204
    Other Parts Discussed in Thread: TIDA-01014

    Tool/software:

    Hello,

    As shown in the figure below, the recommended maximum value for Ven in the data manual is Vrf-A, but the Ven on reference design TIDA-01014 is directly connected to…

  • LSF0204: LT not able to translate from 1.8V to 5V at frequencies above 5MHz

    Part Number: LSF0204
    Other Parts Discussed in Thread: TXU0304,

    Tool/software:

    We are using LSF0204RUTR for our design we are able to communicate to CAN IC upto 5MHz via SPI if i go higher than 5Mhz(to10Mhz), i am not getting any response from the CAN…

  • LSF0102: Can I use a single R_pu and C pair connected to the EN pin for multiple translator devices

    Part Number: LSF0102
    Other Parts Discussed in Thread: LSF0002, TXS0102, LSF0204

    Tool/software:

    Hello,

    I have a severely space constrained PCB where I'm using multiple LSF0102 devices (currently 10 of them). All translators will always be ON. Saving 9x…

  • LSF0204: Smaller package size than LSF0204

    Part Number: LSF0204
    Other Parts Discussed in Thread: TXU0304, TXU0104, TXU0204, TXB0104

    Tool/software:

    Hi team,

    Do you have smaller size 4bit level shifter recommendation? Now we can find LSF0204 with 2*1.7 size. 

  • LSF0204: LSF0204

    Part Number: LSF0204

    Tool/software:

    I understand that it is correct to configure the translation between 1.8V and 3.3V to [An=1.8V / Bn=3.3V], but can it also be configured to [An=3.3V / Bn=1.8V]?

  • LSF0204: QSPI support

    Part Number: LSF0204

    Tool/software:

    Hi all,

    I would like to use LSF0204DPWR in QSPI I/F line.

    1. I want to use it in QSPI I/F(Bidirectional, no direction switching signal). Can I use it without any problem?

    2. In case of QSPI, is pull-up resistor unnecessary…

  • LSF0204-Q1: Input abnormal after running under -40C

    Part Number: LSF0204-Q1
    Other Parts Discussed in Thread: LSF0204, TXU0202, TCA9800, TXU0102

    Tool/software:

    Hi team, 

    Customer met one issue which need your help. You can find the schematic, description and waveform as below. 

    Description: 

    After running…

  • LSF0204: LSF0204 vs LSF0204D

    Part Number: LSF0204

    Tool/software:

    Hi Team,

    Good day!

    I am posting this on behalf of the customer.

    They are using LSF0204 in their design but the manufacturer has mistakenly used LSF0204DRUTR instead. As per data sheet LSF0204DRUTR requires LOW Active…

  • LSF0204: no RPU

    Part Number: LSF0204

    Tool/software:

    Hi,

    If our design forgot using RPU, and it cause B side voltage level only ~1.13V,

    May I know the minimum voltage level? And it may have reverse risk when only B side voltage level higher than A side? Thanks!

    Je…

  • LSF0204: Low logic level is pulling up

    Part Number: LSF0204

    Tool/software:

    Hello,

    I am using the LSF0204 component to convert 5V logic levels to 1.8V logic levels. 

    I am driving the VrefB pin with the 5V output of an Arduino Nano board, and the VrefA pin with the 1.8V output of an ADP151-1…

  • LSF0204-Q1: total capacitance on I2C bus

    Part Number: LSF0204-Q1
    Other Parts Discussed in Thread: LSF0204

    Tool/software:

    Hello team,

     

    A customer asks if they can follow below apps note to calculate the total capacitance on the I2C bus of LSF0204-Q1.

    Could you please confirm it?

     

    Why, When,…

  • TXS0104E: static current between VCCA/VCCB pins

    Part Number: TXS0104E
    Other Parts Discussed in Thread: LSF0204

    Tool/software:

    I am considering TXS0104 and LSF0204 for an MDIO/MDC level translation circuit, I want auto direction detection on the MDIO which is open drain. I think either will do the job…

  • LSF0204:A question about LSF family

    Part Number: LSF0204

    Tool/software:

    In this video 2:39, For example,I don't understand the reference in the video

     “on the 1.8-volt data line, if the resistor RB3 were removed, any data sent from the MCU would be translated down to 1.2 volts instead of 1.8 volts.

  • LSF0204: LSF0204PWR Single Supply Operation?

    Part Number: LSF0204
    Other Parts Discussed in Thread: LSF0108,

    Tool/software:

    Can the LSF0204PWR be used in single supply operation like the LSF01 family?  Thank you for the help.

  • LSF0102: LSF0102

    Part Number: LSF0102
    Other Parts Discussed in Thread: LSF0002, LSF0108, LSF0204

    Hi, I am looking for a solution to do a I2C - FAST MODE (400 kHz) Level translation from 1.8V to 3.3V. I have previously used LSF0102, but I cannot use this anymore as on…

  • LSF0204: LSF0204RUTR

    Part Number: LSF0204

    Hi Team,

    I have a query in LEVEL Translator part No; LSF0204RUTR for Resistance On Measurement.

    So, in the above datasheet, given the Voltage of 0V and output current of some mA, How to source load with 0V input voltage and some…

  • LSF0204: Connot implement the LSF0204 HSPICE Model in HSPICE

    Part Number: LSF0204
    Other Parts Discussed in Thread: PCA9306, , LSF-EVM

    When I use LSF0204 HSPICE Model downloaded from the webside, HSPICE shows the error massage as the attached picture. It looks like HSPICE cannot find pca9306__die.

    Error Massage from HSPICE

    Could you show…

  • TXB0104-Q1: urgency-TXB0104-Q1-would you please confirm if my level shift ciucuit can work?

    Part Number: TXB0104-Q1
    Other Parts Discussed in Thread: TXS0104E-Q1, TXB0104, TXS0104E, LSF0204-Q1, LSF0204, TXU0304

    Hi,

    Below is my schematic design for level shift,and my PCBA has been manufactured,now I review the spec

    to see the OE pin,it seems must…

  • LSF0204: VIH, VIL, VOH, VOL of input/output pins

    Part Number: LSF0204

    Hi,

    There is no description of VIH, VIL, VOH, and VOL of input/output pins other than enable in the data sheet.

    The input/output pin has a FET configuration that turns the signal on and off, and the high level goes through a pull…

  • LSF0204: IBIS Model Request

    Part Number: LSF0204

    Hi,

    Is there an ibis model available for the part LSF0204?

    Thank you,

    Matthew

  • LSF0204: LSF0204 offset

    Part Number: LSF0204
    Other Parts Discussed in Thread: TXU0304, TXU0104, TXU0204, TLV3501

    Hi Team, I am using LSF0204 and circuit is  . I am getting output with offset of 2.2V. May I know the reason and which pull up resistors needs to tune. Input of LSF0204…

  • LSF0108: for UART SPI I2S?

    Part Number: LSF0108
    Other Parts Discussed in Thread: TXU0204, TXU0304, TXB0108

     Hi all,

    I've already designed the board using LS0108 for UART, SPI, I2S. The method is to translate the voltage between 1V8 <-> 3V3.

    According to this [question about…

  • LSF0204: Get the same voltage

    Part Number: LSF0204

    Hi all,

    I'm using LSF0204 to translate logic(PWM) from 1V8 (A side) to 5V(B side).

    However, I'm measuring the B side output and it appears that the output at B side are still 1V8 (but the same logic as A side). All of 4 channels…

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